An adverb is an adjective + a verb. Meaning, it's a word that describes what someone/something is doing during the action.
A (whistle) & C (referee) are both nouns - person, place, or thing.
D (red) is just an adjective - describing something
B would make the most sense, it's telling you what the referee does with his whistle.
Hope this helped!
Answer:
I don't think it's possible to change your name because I haven't been able to change mine.
Answer:
Get a bigger bedroom or a smaller train.
Explanation:
Of the bedroom is too small then if you get a smaller train the train won't be so big anymore and can now fit. If you get a bigger bedroom then the train will fit because there is more room.
Answer:
Did you know that technology has opened the doors for innovation, learning and exploration? Technology has given us the advantage of instant communication worldwide and is an endless hole of knowledge most people can have access to. Technology has greatly improved our way of life from medicine, transportation and personal healthcare.